Patent US2525824A successfully refreshed from Google Patents.
Patent US3256603A successfully refreshed from Google Patents.
US3256603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental tool and handpiece control
Assignee: Dentists Supply Company of New York
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Filing: 1964-07-21
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Granted: 1966-06-21
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond A White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:26
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN COMBINATION, A FLUID-DRIVEN ROTARY DENTAL TOOL INCLUDING AN ELONGATED BODY MANIPULATABLE BY ONE HAND OF THE OPERATOR, A SEPARATE CONTROL IMPLEMENT COMPRISING AN ELONGATED BODY MANIPULATABLE BY THE OTHER HAND OF THE OPERATOR, FLUID CONTROL VALVE MEANS CARRIED BY SAID IMPLEMENT, AND A AUXILIARY MEANS ALSO CARRIED BY SAID IMPLEMENT, A FLUID CONDUIT IN SAID IMPLEMENT EXTENDING FROM SAID VALVE MEANS TO SAID AUXILIARY MEANS, A SUPPLY MEANS FOR DRIVING FLUID UNDER PRESSURE, FLEXIBLE TUBES CONNECTED TO OPPOSITE SIDES OF SAID VALVE MEANS AND RESPECTIVELY EXTENDING TO SAID FLUID SUPPLY MEANS UNDER PRESSURE AND TO SAID ROTARY DENTAL TOOL, AND A VALVE ACTUATOR CONNECTED TO SAID VALVE MEANS AND MOUNTED ON SAID IMPLEMENT IN POSITION TO BE ENGAGED BY THE FINGERS OF THE HAND HOLDING THE IMPLEMENT TO ACTUATE SAID VALVE MEANS FOR SELECTIVELY CONTROLLING THE SUPPLY OF DRIVING FLUID UNDER PRESSURE FROM SAID SUPPLY MEANS TO SAID ROTARY DENTAL TOOL AND TO SAID FLUID CONDUIT FOR DELIVERY TO SAID AUXILIARY MEANS, AS DESIRED.
Claim 2
Dependent Claim
165 words
IN COMBINATION, A FLUID-DRIVEN ROTARY DENTAL TOOL INCLUDING AN ELONGATED BODY MANIPULATABLE BY ONE HAND OF THE OPERATOR, A SEPARATE CONTROL IMPLEMENT COMPRISING AN ELONGATED BODY MANIPULATABLE BY THE OTHER HAND OF THE OPERATOR, FLUID CONTROL VALVE MEANS CARRIED BY SAID IMPLEMENT, AND A AUXILIARY MEANS ALSO CARRIED BY SAID IMPLEMENT, A FLUID CONDUIT IN SAID IMPLEMENT EXTENDING FROM SAID VALVE MEANS TO SAID AUXILIARY MEANS, A SUPPLY MEANS FOR DRIVING FLUID UNDER PRESSURE, FLEXIBLE TUBES CONNECTED TO OPPOSITE SIDES OF SAID VALVE MEANS AND RESPECTIVELY EXTENDING TO SAID FLUID SUPPLY MEANS UNDER PRESSURE AND TO SAID ROTARY DENTAL TOOL, AND A VALVE ACTUATOR CONNECTED TO SAID VALVE MEANS AND MOUNTED ON SAID IMPLEMENT IN POSITION TO BE ENGAGED BY THE FINGERS OF THE HAND HOLDING THE IMPLEMENT TO ACTUATE SAID VALVE MEANS FOR SELECTIVELY CONTROLLING THE SUPPLY OF DRIVING FLUID UNDER PRESSURE FROM SAID SUPPLY MEANS TO SAID ROTARY DENTAL TOOL AND TO SAID FLUID CONDUIT FOR DELIVERY TO SAID AUXILIARY MEANS, AS DESIRED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |